i40e_ethtool.c 94.0 KB
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/*******************************************************************************
 *
 * Intel Ethernet Controller XL710 Family Linux Driver
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 * Copyright(c) 2013 - 2016 Intel Corporation.
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 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
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 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 ******************************************************************************/

/* ethtool support for i40e */

#include "i40e.h"
#include "i40e_diag.h"

struct i40e_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define I40E_STAT(_type, _name, _stat) { \
	.stat_string = _name, \
	.sizeof_stat = FIELD_SIZEOF(_type, _stat), \
	.stat_offset = offsetof(_type, _stat) \
}
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#define I40E_NETDEV_STAT(_net_stat) \
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		I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
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#define I40E_PF_STAT(_name, _stat) \
		I40E_STAT(struct i40e_pf, _name, _stat)
#define I40E_VSI_STAT(_name, _stat) \
		I40E_STAT(struct i40e_vsi, _name, _stat)
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#define I40E_VEB_STAT(_name, _stat) \
		I40E_STAT(struct i40e_veb, _name, _stat)
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static const struct i40e_stats i40e_gstrings_net_stats[] = {
	I40E_NETDEV_STAT(rx_packets),
	I40E_NETDEV_STAT(tx_packets),
	I40E_NETDEV_STAT(rx_bytes),
	I40E_NETDEV_STAT(tx_bytes),
	I40E_NETDEV_STAT(rx_errors),
	I40E_NETDEV_STAT(tx_errors),
	I40E_NETDEV_STAT(rx_dropped),
	I40E_NETDEV_STAT(tx_dropped),
	I40E_NETDEV_STAT(collisions),
	I40E_NETDEV_STAT(rx_length_errors),
	I40E_NETDEV_STAT(rx_crc_errors),
};

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static const struct i40e_stats i40e_gstrings_veb_stats[] = {
	I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
	I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
	I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
	I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
	I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
	I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
	I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
	I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
	I40E_VEB_STAT("rx_discards", stats.rx_discards),
	I40E_VEB_STAT("tx_discards", stats.tx_discards),
	I40E_VEB_STAT("tx_errors", stats.tx_errors),
	I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
};

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static const struct i40e_stats i40e_gstrings_misc_stats[] = {
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	I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
	I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
	I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
	I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
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	I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
	I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
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	I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
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	I40E_VSI_STAT("tx_linearize", tx_linearize),
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	I40E_VSI_STAT("tx_force_wb", tx_force_wb),
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	I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt),
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	I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
	I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
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};

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/* These PF_STATs might look like duplicates of some NETDEV_STATs,
 * but they are separate.  This device supports Virtualization, and
 * as such might have several netdevs supporting VMDq and FCoE going
 * through a single port.  The NETDEV_STATs are for individual netdevs
 * seen at the top of the stack, and the PF_STATs are for the physical
 * function at the bottom of the stack hosting those netdevs.
 *
 * The PF_STATs are appended to the netdev stats only when ethtool -S
 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 */
static struct i40e_stats i40e_gstrings_stats[] = {
	I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
	I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
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	I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
	I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
	I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
	I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
	I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
	I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
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	I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
	I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
	I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
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	I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
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	I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
	I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
	I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
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	I40E_PF_STAT("tx_timeout", tx_timeout_count),
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	I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
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	I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
	I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
	I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
	I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
	I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
	I40E_PF_STAT("rx_size_64", stats.rx_size_64),
	I40E_PF_STAT("rx_size_127", stats.rx_size_127),
	I40E_PF_STAT("rx_size_255", stats.rx_size_255),
	I40E_PF_STAT("rx_size_511", stats.rx_size_511),
	I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
	I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
	I40E_PF_STAT("rx_size_big", stats.rx_size_big),
	I40E_PF_STAT("tx_size_64", stats.tx_size_64),
	I40E_PF_STAT("tx_size_127", stats.tx_size_127),
	I40E_PF_STAT("tx_size_255", stats.tx_size_255),
	I40E_PF_STAT("tx_size_511", stats.tx_size_511),
	I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
	I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
	I40E_PF_STAT("tx_size_big", stats.tx_size_big),
	I40E_PF_STAT("rx_undersize", stats.rx_undersize),
	I40E_PF_STAT("rx_fragments", stats.rx_fragments),
	I40E_PF_STAT("rx_oversize", stats.rx_oversize),
	I40E_PF_STAT("rx_jabber", stats.rx_jabber),
	I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
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	I40E_PF_STAT("arq_overflows", arq_overflows),
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	I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
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	I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
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	I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
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	I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
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	I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
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	I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
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	I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
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	/* LPI stats */
	I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
	I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
	I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
	I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
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};

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#ifdef I40E_FCOE
static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
	I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
	I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
	I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
	I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
	I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
	I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
	I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
	I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
};

#endif /* I40E_FCOE */
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#define I40E_QUEUE_STATS_LEN(n) \
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	(((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
	    * 2 /* Tx and Rx together */                                     \
	    * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
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#define I40E_GLOBAL_STATS_LEN	ARRAY_SIZE(i40e_gstrings_stats)
#define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
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#define I40E_MISC_STATS_LEN	ARRAY_SIZE(i40e_gstrings_misc_stats)
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#ifdef I40E_FCOE
#define I40E_FCOE_STATS_LEN	ARRAY_SIZE(i40e_gstrings_fcoe_stats)
#define I40E_VSI_STATS_LEN(n)	(I40E_NETDEV_STATS_LEN + \
				 I40E_FCOE_STATS_LEN + \
				 I40E_MISC_STATS_LEN + \
				 I40E_QUEUE_STATS_LEN((n)))
#else
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#define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
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				 I40E_MISC_STATS_LEN + \
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				 I40E_QUEUE_STATS_LEN((n)))
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#endif /* I40E_FCOE */
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#define I40E_PFC_STATS_LEN ( \
		(FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
		 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
		 / sizeof(u64))
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#define I40E_VEB_TC_STATS_LEN ( \
		(FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
		 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
		 / sizeof(u64))
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#define I40E_VEB_STATS_LEN	ARRAY_SIZE(i40e_gstrings_veb_stats)
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#define I40E_VEB_STATS_TOTAL	(I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
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#define I40E_PF_STATS_LEN(n)	(I40E_GLOBAL_STATS_LEN + \
				 I40E_PFC_STATS_LEN + \
				 I40E_VSI_STATS_LEN((n)))

enum i40e_ethtool_test_id {
	I40E_ETH_TEST_REG = 0,
	I40E_ETH_TEST_EEPROM,
	I40E_ETH_TEST_INTR,
	I40E_ETH_TEST_LOOPBACK,
	I40E_ETH_TEST_LINK,
};

static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)",
	"Eeprom test    (offline)",
	"Interrupt test (offline)",
	"Loopback test  (offline)",
	"Link test   (on/offline)"
};

#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)

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static const char i40e_priv_flags_strings_gl[][ETH_GSTRING_LEN] = {
	"MFP",
	"LinkPolling",
	"flow-director-atr",
	"veb-stats",
	"hw-atr-eviction",
	"vf-true-promisc-support",
};

#define I40E_PRIV_FLAGS_GL_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings_gl)

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static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
	"NPAR",
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	"LinkPolling",
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	"flow-director-atr",
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	"veb-stats",
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	"hw-atr-eviction",
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};

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#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
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/**
 * i40e_partition_setting_complaint - generic complaint for MFP restriction
 * @pf: the PF struct
 **/
static void i40e_partition_setting_complaint(struct i40e_pf *pf)
{
	dev_info(&pf->pdev->dev,
		 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
}

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/**
 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 * @phy_types: PHY types to convert
 * @supported: pointer to the ethtool supported variable to fill in
 * @advertising: pointer to the ethtool advertising variable to fill in
 *
 **/
static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
				     u32 *advertising)
{
	enum i40e_aq_capabilities_phy_type phy_types = pf->hw.phy.phy_types;
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	struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
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	*supported = 0x0;
	*advertising = 0x0;

	if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_1000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseT_Full;
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		if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
			*supported |= SUPPORTED_100baseT_Full;
			*advertising |= ADVERTISED_100baseT_Full;
		}
	}
	if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
	    phy_types & I40E_CAP_PHY_TYPE_XFI ||
	    phy_types & I40E_CAP_PHY_TYPE_SFI ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
		*supported |= SUPPORTED_10000baseT_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
	    phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_10000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
	    phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
		*supported |= SUPPORTED_40000baseCR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
	    phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_40000baseCR4_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
			*advertising |= ADVERTISED_40000baseCR4_Full;
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	}
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	if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
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		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_100baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
			*advertising |= ADVERTISED_100baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
	    phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
		*supported |= SUPPORTED_Autoneg |
			      SUPPORTED_1000baseT_Full;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseT_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
		*supported |= SUPPORTED_40000baseSR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
		*supported |= SUPPORTED_40000baseLR4_Full;
	if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
		*supported |= SUPPORTED_40000baseKR4_Full |
			      SUPPORTED_Autoneg;
		*advertising |= ADVERTISED_40000baseKR4_Full |
				ADVERTISED_Autoneg;
	}
	if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
		*supported |= SUPPORTED_20000baseKR2_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
			*advertising |= ADVERTISED_20000baseKR2_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
		*supported |= SUPPORTED_10000baseKR_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseKR_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
		*supported |= SUPPORTED_10000baseKX4_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			*advertising |= ADVERTISED_10000baseKX4_Full;
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	}
	if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
		*supported |= SUPPORTED_1000baseKX_Full |
			      SUPPORTED_Autoneg;
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		*advertising |= ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			*advertising |= ADVERTISED_1000baseKX_Full;
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	}
}

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/**
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 * i40e_get_settings_link_up - Get the Link settings for when link is up
 * @hw: hw structure
 * @ecmd: ethtool command to fill in
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 * @netdev: network interface device structure
 *
 **/
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static void i40e_get_settings_link_up(struct i40e_hw *hw,
				      struct ethtool_cmd *ecmd,
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				      struct net_device *netdev,
				      struct i40e_pf *pf)
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{
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
	u32 link_speed = hw_link_info->link_speed;
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	u32 e_advertising = 0x0;
	u32 e_supported = 0x0;
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	/* Initialize supported and advertised settings based on phy settings */
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	switch (hw_link_info->phy_type) {
	case I40E_PHY_TYPE_40GBASE_CR4:
	case I40E_PHY_TYPE_40GBASE_CR4_CU:
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		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_40000baseCR4_Full;
		ecmd->advertising = ADVERTISED_Autoneg |
				    ADVERTISED_40000baseCR4_Full;
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		break;
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	case I40E_PHY_TYPE_XLAUI:
	case I40E_PHY_TYPE_XLPPI:
404
	case I40E_PHY_TYPE_40GBASE_AOC:
405 406
		ecmd->supported = SUPPORTED_40000baseCR4_Full;
		break;
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	case I40E_PHY_TYPE_40GBASE_SR4:
		ecmd->supported = SUPPORTED_40000baseSR4_Full;
		break;
	case I40E_PHY_TYPE_40GBASE_LR4:
		ecmd->supported = SUPPORTED_40000baseLR4_Full;
		break;
413 414
	case I40E_PHY_TYPE_10GBASE_SR:
	case I40E_PHY_TYPE_10GBASE_LR:
415 416
	case I40E_PHY_TYPE_1000BASE_SX:
	case I40E_PHY_TYPE_1000BASE_LX:
417 418 419 420 421 422 423 424 425 426
		ecmd->supported = SUPPORTED_10000baseT_Full;
		if (hw_link_info->module_type[2] &
		    I40E_MODULE_TYPE_1000BASE_SX ||
		    hw_link_info->module_type[2] &
		    I40E_MODULE_TYPE_1000BASE_LX) {
			ecmd->supported |= SUPPORTED_1000baseT_Full;
			if (hw_link_info->requested_speeds &
			    I40E_LINK_SPEED_1GB)
				ecmd->advertising |= ADVERTISED_1000baseT_Full;
		}
427 428 429
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			ecmd->advertising |= ADVERTISED_10000baseT_Full;
		break;
430
	case I40E_PHY_TYPE_10GBASE_T:
431
	case I40E_PHY_TYPE_1000BASE_T:
432
	case I40E_PHY_TYPE_100BASE_TX:
433
		ecmd->supported = SUPPORTED_Autoneg |
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				  SUPPORTED_10000baseT_Full |
435 436
				  SUPPORTED_1000baseT_Full |
				  SUPPORTED_100baseT_Full;
437 438 439 440 441
		ecmd->advertising = ADVERTISED_Autoneg;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
			ecmd->advertising |= ADVERTISED_10000baseT_Full;
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			ecmd->advertising |= ADVERTISED_1000baseT_Full;
442 443
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
			ecmd->advertising |= ADVERTISED_100baseT_Full;
444
		break;
445 446 447 448 449 450
	case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_1000baseT_Full;
		ecmd->advertising = ADVERTISED_Autoneg |
				    ADVERTISED_1000baseT_Full;
		break;
451 452 453 454
	case I40E_PHY_TYPE_10GBASE_CR1_CU:
	case I40E_PHY_TYPE_10GBASE_CR1:
		ecmd->supported = SUPPORTED_Autoneg |
				  SUPPORTED_10000baseT_Full;
455
		ecmd->advertising = ADVERTISED_Autoneg |
456
				    ADVERTISED_10000baseT_Full;
457 458 459 460 461
		break;
	case I40E_PHY_TYPE_XAUI:
	case I40E_PHY_TYPE_XFI:
	case I40E_PHY_TYPE_SFI:
	case I40E_PHY_TYPE_10GBASE_SFPP_CU:
462
	case I40E_PHY_TYPE_10GBASE_AOC:
463
		ecmd->supported = SUPPORTED_10000baseT_Full;
464
		ecmd->advertising = SUPPORTED_10000baseT_Full;
465 466 467
		break;
	case I40E_PHY_TYPE_SGMII:
		ecmd->supported = SUPPORTED_Autoneg |
468
				  SUPPORTED_1000baseT_Full;
469 470
		if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
			ecmd->advertising |= ADVERTISED_1000baseT_Full;
471
		if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
472 473 474 475 476
			ecmd->supported |= SUPPORTED_100baseT_Full;
			if (hw_link_info->requested_speeds &
			    I40E_LINK_SPEED_100MB)
				ecmd->advertising |= ADVERTISED_100baseT_Full;
		}
477
		break;
478 479 480 481 482
	case I40E_PHY_TYPE_40GBASE_KR4:
	case I40E_PHY_TYPE_20GBASE_KR2:
	case I40E_PHY_TYPE_10GBASE_KR:
	case I40E_PHY_TYPE_10GBASE_KX4:
	case I40E_PHY_TYPE_1000BASE_KX:
483 484 485 486 487 488 489 490 491 492 493 494
		ecmd->supported |= SUPPORTED_40000baseKR4_Full |
				   SUPPORTED_20000baseKR2_Full |
				   SUPPORTED_10000baseKR_Full |
				   SUPPORTED_10000baseKX4_Full |
				   SUPPORTED_1000baseKX_Full |
				   SUPPORTED_Autoneg;
		ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
				     ADVERTISED_20000baseKR2_Full |
				     ADVERTISED_10000baseKR_Full |
				     ADVERTISED_10000baseKX4_Full |
				     ADVERTISED_1000baseKX_Full |
				     ADVERTISED_Autoneg;
495
		break;
496 497
	default:
		/* if we got here and link is up something bad is afoot */
498 499
		netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
			    hw_link_info->phy_type);
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	}

502 503 504 505 506 507 508 509 510 511
	/* Now that we've worked out everything that could be supported by the
	 * current PHY type, get what is supported by the NVM and them to
	 * get what is truly supported
	 */
	i40e_phy_type_to_ethtool(pf, &e_supported,
				 &e_advertising);

	ecmd->supported = ecmd->supported & e_supported;
	ecmd->advertising = ecmd->advertising & e_advertising;

512 513 514
	/* Set speed and duplex */
	switch (link_speed) {
	case I40E_LINK_SPEED_40GB:
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		ethtool_cmd_speed_set(ecmd, SPEED_40000);
516
		break;
517 518 519
	case I40E_LINK_SPEED_20GB:
		ethtool_cmd_speed_set(ecmd, SPEED_20000);
		break;
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
	case I40E_LINK_SPEED_10GB:
		ethtool_cmd_speed_set(ecmd, SPEED_10000);
		break;
	case I40E_LINK_SPEED_1GB:
		ethtool_cmd_speed_set(ecmd, SPEED_1000);
		break;
	case I40E_LINK_SPEED_100MB:
		ethtool_cmd_speed_set(ecmd, SPEED_100);
		break;
	default:
		break;
	}
	ecmd->duplex = DUPLEX_FULL;
}

/**
 * i40e_get_settings_link_down - Get the Link settings for when link is down
 * @hw: hw structure
 * @ecmd: ethtool command to fill in
 *
 * Reports link settings that can be determined when link is down
 **/
static void i40e_get_settings_link_down(struct i40e_hw *hw,
543 544
					struct ethtool_cmd *ecmd,
					struct i40e_pf *pf)
545 546
{
	/* link is down and the driver needs to fall back on
547
	 * supported phy types to figure out what info to display
548
	 */
549 550
	i40e_phy_type_to_ethtool(pf, &ecmd->supported,
				 &ecmd->advertising);
551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573

	/* With no link speed and duplex are unknown */
	ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
	ecmd->duplex = DUPLEX_UNKNOWN;
}

/**
 * i40e_get_settings - Get Link Speed and Duplex settings
 * @netdev: network interface device structure
 * @ecmd: ethtool command
 *
 * Reports speed/duplex settings based on media_type
 **/
static int i40e_get_settings(struct net_device *netdev,
			     struct ethtool_cmd *ecmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;

	if (link_up)
574
		i40e_get_settings_link_up(hw, ecmd, netdev, pf);
575
	else
576
		i40e_get_settings_link_down(hw, ecmd, pf);
577 578 579

	/* Now set the settings that don't rely on link being up/down */
	/* Set autoneg settings */
580 581
	ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
			  AUTONEG_ENABLE : AUTONEG_DISABLE);
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583 584
	switch (hw->phy.media_type) {
	case I40E_MEDIA_TYPE_BACKPLANE:
585 586 587 588
		ecmd->supported |= SUPPORTED_Autoneg |
				   SUPPORTED_Backplane;
		ecmd->advertising |= ADVERTISED_Autoneg |
				     ADVERTISED_Backplane;
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		ecmd->port = PORT_NONE;
590 591
		break;
	case I40E_MEDIA_TYPE_BASET:
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		ecmd->supported |= SUPPORTED_TP;
		ecmd->advertising |= ADVERTISED_TP;
		ecmd->port = PORT_TP;
595 596 597
		break;
	case I40E_MEDIA_TYPE_DA:
	case I40E_MEDIA_TYPE_CX4:
598 599 600
		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->advertising |= ADVERTISED_FIBRE;
		ecmd->port = PORT_DA;
601 602
		break;
	case I40E_MEDIA_TYPE_FIBER:
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		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->port = PORT_FIBRE;
605 606 607 608 609
		break;
	case I40E_MEDIA_TYPE_UNKNOWN:
	default:
		ecmd->port = PORT_OTHER;
		break;
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	}

612
	/* Set transceiver */
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	ecmd->transceiver = XCVR_EXTERNAL;

615
	/* Set flow control settings */
616 617
	ecmd->supported |= SUPPORTED_Pause;

618
	switch (hw->fc.requested_mode) {
619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634
	case I40E_FC_FULL:
		ecmd->advertising |= ADVERTISED_Pause;
		break;
	case I40E_FC_TX_PAUSE:
		ecmd->advertising |= ADVERTISED_Asym_Pause;
		break;
	case I40E_FC_RX_PAUSE:
		ecmd->advertising |= (ADVERTISED_Pause |
				      ADVERTISED_Asym_Pause);
		break;
	default:
		ecmd->advertising &= ~(ADVERTISED_Pause |
				       ADVERTISED_Asym_Pause);
		break;
	}

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	return 0;
}

638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660
/**
 * i40e_set_settings - Set Speed and Duplex
 * @netdev: network interface device structure
 * @ecmd: ethtool command
 *
 * Set speed/duplex per media_types advertised/forced
 **/
static int i40e_set_settings(struct net_device *netdev,
			     struct ethtool_cmd *ecmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_aq_get_phy_abilities_resp abilities;
	struct i40e_aq_set_phy_config config;
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_hw *hw = &pf->hw;
	struct ethtool_cmd safe_ecmd;
	i40e_status status = 0;
	bool change = false;
	int err = 0;
	u8 autoneg;
	u32 advertise;

661 662 663 664 665 666 667 668
	/* Changing port settings is not supported if this isn't the
	 * port's controlling PF
	 */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

669 670 671 672 673
	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

	if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
	    hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
674
	    hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
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	    hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
676
	    hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
677 678
		return -EOPNOTSUPP;

679 680 681 682 683 684 685 686
	if (hw->device_id == I40E_DEV_ID_KX_B ||
	    hw->device_id == I40E_DEV_ID_KX_C ||
	    hw->device_id == I40E_DEV_ID_20G_KR2 ||
	    hw->device_id == I40E_DEV_ID_20G_KR2_A) {
		netdev_info(netdev, "Changing settings is not supported on backplane.\n");
		return -EOPNOTSUPP;
	}

687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
	/* get our own copy of the bits to check against */
	memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
	i40e_get_settings(netdev, &safe_ecmd);

	/* save autoneg and speed out of ecmd */
	autoneg = ecmd->autoneg;
	advertise = ecmd->advertising;

	/* set autoneg and speed back to what they currently are */
	ecmd->autoneg = safe_ecmd.autoneg;
	ecmd->advertising = safe_ecmd.advertising;

	ecmd->cmd = safe_ecmd.cmd;
	/* If ecmd and safe_ecmd are not the same now, then they are
	 * trying to set something that we do not support
	 */
	if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
		return -EOPNOTSUPP;

	while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
		usleep_range(1000, 2000);

	/* Get the current phy config */
	status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
					      NULL);
	if (status)
		return -EAGAIN;

715
	/* Copy abilities to config in case autoneg is not
716 717 718 719 720 721 722 723 724
	 * set below
	 */
	memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
	config.abilities = abilities.abilities;

	/* Check autoneg */
	if (autoneg == AUTONEG_ENABLE) {
		/* If autoneg was not already enabled */
		if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
725 726 727 728 729 730
			/* If autoneg is not supported, return error */
			if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
				netdev_info(netdev, "Autoneg not supported on this phy\n");
				return -EINVAL;
			}
			/* Autoneg is allowed to change */
731 732 733 734 735 736 737
			config.abilities = abilities.abilities |
					   I40E_AQ_PHY_ENABLE_AN;
			change = true;
		}
	} else {
		/* If autoneg is currently enabled */
		if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
738 739 740 741 742 743 744 745 746 747
			/* If autoneg is supported 10GBASE_T is the only PHY
			 * that can disable it, so otherwise return error
			 */
			if (safe_ecmd.supported & SUPPORTED_Autoneg &&
			    hw->phy.link_info.phy_type !=
			    I40E_PHY_TYPE_10GBASE_T) {
				netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
				return -EINVAL;
			}
			/* Autoneg is allowed to change */
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			config.abilities = abilities.abilities &
749 750 751 752 753 754 755 756 757
					   ~I40E_AQ_PHY_ENABLE_AN;
			change = true;
		}
	}

	if (advertise & ~safe_ecmd.supported)
		return -EINVAL;

	if (advertise & ADVERTISED_100baseT_Full)
758
		config.link_speed |= I40E_LINK_SPEED_100MB;
759 760
	if (advertise & ADVERTISED_1000baseT_Full ||
	    advertise & ADVERTISED_1000baseKX_Full)
761
		config.link_speed |= I40E_LINK_SPEED_1GB;
762 763 764
	if (advertise & ADVERTISED_10000baseT_Full ||
	    advertise & ADVERTISED_10000baseKX4_Full ||
	    advertise & ADVERTISED_10000baseKR_Full)
765
		config.link_speed |= I40E_LINK_SPEED_10GB;
766 767
	if (advertise & ADVERTISED_20000baseKR2_Full)
		config.link_speed |= I40E_LINK_SPEED_20GB;
768 769 770 771
	if (advertise & ADVERTISED_40000baseKR4_Full ||
	    advertise & ADVERTISED_40000baseCR4_Full ||
	    advertise & ADVERTISED_40000baseSR4_Full ||
	    advertise & ADVERTISED_40000baseLR4_Full)
772
		config.link_speed |= I40E_LINK_SPEED_40GB;
773

774 775 776 777 778 779 780
	/* If speed didn't get set, set it to what it currently is.
	 * This is needed because if advertise is 0 (as it is when autoneg
	 * is disabled) then speed won't get set.
	 */
	if (!config.link_speed)
		config.link_speed = abilities.link_speed;

781
	if (change || (abilities.link_speed != config.link_speed)) {
782 783 784 785 786 787
		/* copy over the rest of the abilities */
		config.phy_type = abilities.phy_type;
		config.eee_capability = abilities.eee_capability;
		config.eeer = abilities.eeer_val;
		config.low_power_ctrl = abilities.d3_lpan;

788 789
		/* save the requested speeds */
		hw->phy.link_info.requested_speeds = config.link_speed;
790 791 792 793 794 795 796
		/* set link and auto negotiation so changes take effect */
		config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
		/* If link is up put link down */
		if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
			/* Tell the OS link is going down, the link will go
			 * back up when fw says it is ready asynchronously
			 */
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			i40e_print_link_message(vsi, false);
798 799 800
			netif_carrier_off(netdev);
			netif_tx_stop_all_queues(netdev);
		}
801 802 803 804

		/* make the aq call */
		status = i40e_aq_set_phy_config(hw, &config, NULL);
		if (status) {
805 806 807
			netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
				    i40e_stat_str(hw, status),
				    i40e_aq_str(hw, hw->aq.asq_last_status));
808 809 810
			return -EAGAIN;
		}

811
		status = i40e_update_link_info(hw);
812
		if (status)
813 814 815
			netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
				   i40e_stat_str(hw, status),
				   i40e_aq_str(hw, hw->aq.asq_last_status));
816 817 818 819 820 821 822 823

	} else {
		netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
	}

	return err;
}

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static int i40e_nway_reset(struct net_device *netdev)
{
	/* restart autonegotiation */
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
	i40e_status ret = 0;

	ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
	if (ret) {
835 836 837
		netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
			    i40e_stat_str(hw, ret),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
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		return -EIO;
	}

	return 0;
}

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/**
 * i40e_get_pauseparam -  Get Flow Control status
 * Return tx/rx-pause status
 **/
static void i40e_get_pauseparam(struct net_device *netdev,
				struct ethtool_pauseparam *pause)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
855
	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
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	pause->autoneg =
		((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
		  AUTONEG_ENABLE : AUTONEG_DISABLE);

861 862 863 864 865 866 867
	/* PFC enabled so report LFC as off */
	if (dcbx_cfg->pfc.pfcenable) {
		pause->rx_pause = 0;
		pause->tx_pause = 0;
		return;
	}

868
	if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
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		pause->rx_pause = 1;
870
	} else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
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		pause->tx_pause = 1;
872 873 874 875
	} else if (hw->fc.current_mode == I40E_FC_FULL) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
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}

878 879 880 881 882 883 884 885 886 887 888 889 890
/**
 * i40e_set_pauseparam - Set Flow Control parameter
 * @netdev: network interface device structure
 * @pause: return tx/rx flow control status
 **/
static int i40e_set_pauseparam(struct net_device *netdev,
			       struct ethtool_pauseparam *pause)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_hw *hw = &pf->hw;
	struct i40e_link_status *hw_link_info = &hw->phy.link_info;
891
	struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
892 893 894
	bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
	i40e_status status;
	u8 aq_failures;
895
	int err = 0;
896

897 898 899 900 901 902 903 904
	/* Changing the port's flow control is not supported if this isn't the
	 * port's controlling PF
	 */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920
	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

	if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
	    AUTONEG_ENABLE : AUTONEG_DISABLE)) {
		netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
		return -EOPNOTSUPP;
	}

	/* If we have link and don't have autoneg */
	if (!test_bit(__I40E_DOWN, &pf->state) &&
	    !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
		/* Send message that it might not necessarily work*/
		netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
	}

921 922 923
	if (dcbx_cfg->pfc.pfcenable) {
		netdev_info(netdev,
			    "Priority flow control enabled. Cannot set link flow control.\n");
924 925 926 927 928 929 930 931 932 933 934 935 936 937
		return -EOPNOTSUPP;
	}

	if (pause->rx_pause && pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_FULL;
	else if (pause->rx_pause && !pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_RX_PAUSE;
	else if (!pause->rx_pause && pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_TX_PAUSE;
	else if (!pause->rx_pause && !pause->tx_pause)
		hw->fc.requested_mode = I40E_FC_NONE;
	else
		 return -EINVAL;

938 939 940
	/* Tell the OS link is going down, the link will go back up when fw
	 * says it is ready asynchronously
	 */
M
Matt Jared 已提交
941
	i40e_print_link_message(vsi, false);
942 943 944
	netif_carrier_off(netdev);
	netif_tx_stop_all_queues(netdev);

945 946 947 948
	/* Set the fc mode and only restart an if link is up*/
	status = i40e_set_fc(hw, &aq_failures, link_up);

	if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
949 950 951
		netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
952 953 954
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
955 956 957
		netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
958 959 960
		err = -EAGAIN;
	}
	if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
961 962 963
		netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
			    i40e_stat_str(hw, status),
			    i40e_aq_str(hw, hw->aq.asq_last_status));
964 965 966
		err = -EAGAIN;
	}

967 968 969 970 971 972
	if (!test_bit(__I40E_DOWN, &pf->state)) {
		/* Give it a little more time to try to come back */
		msleep(75);
		if (!test_bit(__I40E_DOWN, &pf->state))
			return i40e_nway_reset(netdev);
	}
973 974 975 976

	return err;
}

J
Jesse Brandeburg 已提交
977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
static u32 i40e_get_msglevel(struct net_device *netdev)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	return pf->msg_enable;
}

static void i40e_set_msglevel(struct net_device *netdev, u32 data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	if (I40E_DEBUG_USER & data)
		pf->hw.debug_mask = data;
	pf->msg_enable = data;
}

static int i40e_get_regs_len(struct net_device *netdev)
{
	int reg_count = 0;
	int i;

	for (i = 0; i40e_reg_list[i].offset != 0; i++)
		reg_count += i40e_reg_list[i].elements;

	return reg_count * sizeof(u32);
}

static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
			  void *p)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	u32 *reg_buf = p;
	int i, j, ri;
	u32 reg;

	/* Tell ethtool which driver-version-specific regs output we have.
	 *
	 * At some point, if we have ethtool doing special formatting of
	 * this data, it will rely on this version number to know how to
	 * interpret things.  Hence, this needs to be updated if/when the
	 * diags register table is changed.
	 */
	regs->version = 1;

	/* loop through the diags reg table for what to print */
	ri = 0;
	for (i = 0; i40e_reg_list[i].offset != 0; i++) {
		for (j = 0; j < i40e_reg_list[i].elements; j++) {
			reg = i40e_reg_list[i].offset
				+ (j * i40e_reg_list[i].stride);
			reg_buf[ri++] = rd32(hw, reg);
		}
	}

}

static int i40e_get_eeprom(struct net_device *netdev,
			   struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
1042
	struct i40e_pf *pf = np->vsi->back;
1043
	int ret_val = 0, len, offset;
1044 1045 1046
	u8 *eeprom_buff;
	u16 i, sectors;
	bool last;
1047 1048
	u32 magic;

1049
#define I40E_NVM_SECTOR_SIZE  4096
J
Jesse Brandeburg 已提交
1050 1051 1052
	if (eeprom->len == 0)
		return -EINVAL;

1053 1054 1055
	/* check for NVMUpdate access method */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic && eeprom->magic != magic) {
1056 1057
		struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
		int errno = 0;
1058 1059 1060

		/* make sure it is the right magic for NVMUpdate */
		if ((eeprom->magic >> 16) != hw->device_id)
1061 1062 1063 1064 1065 1066 1067 1068
			errno = -EINVAL;
		else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
			 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
			errno = -EBUSY;
		else
			ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);

		if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1069
			dev_info(&pf->pdev->dev,
1070 1071 1072 1073
				 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
				 ret_val, hw->aq.asq_last_status, errno,
				 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
				 cmd->offset, cmd->data_size);
1074 1075 1076 1077 1078

		return errno;
	}

	/* normal ethtool get_eeprom support */
J
Jesse Brandeburg 已提交
1079 1080
	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

1081
	eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
J
Jesse Brandeburg 已提交
1082 1083 1084
	if (!eeprom_buff)
		return -ENOMEM;

1085 1086 1087 1088 1089 1090
	ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
	if (ret_val) {
		dev_info(&pf->pdev->dev,
			 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
			 ret_val, hw->aq.asq_last_status);
		goto free_buff;
J
Jesse Brandeburg 已提交
1091 1092
	}

1093 1094 1095 1096 1097 1098 1099 1100 1101
	sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
	sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
	len = I40E_NVM_SECTOR_SIZE;
	last = false;
	for (i = 0; i < sectors; i++) {
		if (i == (sectors - 1)) {
			len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
			last = true;
		}
1102 1103
		offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
		ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1104
				(u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1105
				last, NULL);
1106
		if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1107
			dev_info(&pf->pdev->dev,
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
				 "read NVM failed, invalid offset 0x%x\n",
				 offset);
			break;
		} else if (ret_val &&
			   hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
			dev_info(&pf->pdev->dev,
				 "read NVM failed, access, offset 0x%x\n",
				 offset);
			break;
		} else if (ret_val) {
			dev_info(&pf->pdev->dev,
				 "read NVM failed offset %d err=%d status=0x%x\n",
				 offset, ret_val, hw->aq.asq_last_status);
			break;
1122 1123
		}
	}
J
Jesse Brandeburg 已提交
1124

1125
	i40e_release_nvm(hw);
1126
	memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1127
free_buff:
J
Jesse Brandeburg 已提交
1128 1129 1130 1131 1132 1133 1134 1135
	kfree(eeprom_buff);
	return ret_val;
}

static int i40e_get_eeprom_len(struct net_device *netdev)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
1136 1137 1138 1139 1140 1141
	u32 val;

	val = (rd32(hw, I40E_GLPCI_LBARCTRL)
		& I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
		>> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
	/* register returns value in power of 2, 64Kbyte chunks. */
1142
	val = (64 * 1024) * BIT(val);
1143
	return val;
J
Jesse Brandeburg 已提交
1144 1145
}

1146 1147 1148 1149 1150 1151
static int i40e_set_eeprom(struct net_device *netdev,
			   struct ethtool_eeprom *eeprom, u8 *bytes)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_hw *hw = &np->vsi->back->hw;
	struct i40e_pf *pf = np->vsi->back;
1152
	struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1153
	int ret_val = 0;
1154
	int errno = 0;
1155 1156 1157 1158 1159
	u32 magic;

	/* normal ethtool set_eeprom is not supported */
	magic = hw->vendor_id | (hw->device_id << 16);
	if (eeprom->magic == magic)
1160
		errno = -EOPNOTSUPP;
1161
	/* check for NVMUpdate access method */
1162 1163 1164 1165 1166 1167 1168
	else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
		errno = -EINVAL;
	else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
		 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		errno = -EBUSY;
	else
		ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1169

1170
	if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1171
		dev_info(&pf->pdev->dev,
1172 1173 1174 1175
			 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
			 ret_val, hw->aq.asq_last_status, errno,
			 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
			 cmd->offset, cmd->data_size);
1176 1177 1178 1179

	return errno;
}

J
Jesse Brandeburg 已提交
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189
static void i40e_get_drvinfo(struct net_device *netdev,
			     struct ethtool_drvinfo *drvinfo)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
	strlcpy(drvinfo->version, i40e_driver_version_str,
		sizeof(drvinfo->version));
1190
	strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
J
Jesse Brandeburg 已提交
1191 1192 1193
		sizeof(drvinfo->fw_version));
	strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
		sizeof(drvinfo->bus_info));
1194 1195 1196 1197
	if (pf->hw.pf_id == 0)
		drvinfo->n_priv_flags = I40E_PRIV_FLAGS_GL_STR_LEN;
	else
		drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
J
Jesse Brandeburg 已提交
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210
}

static void i40e_get_ringparam(struct net_device *netdev,
			       struct ethtool_ringparam *ring)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];

	ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
	ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
	ring->rx_mini_max_pending = 0;
	ring->rx_jumbo_max_pending = 0;
1211 1212
	ring->rx_pending = vsi->rx_rings[0]->count;
	ring->tx_pending = vsi->tx_rings[0]->count;
J
Jesse Brandeburg 已提交
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229
	ring->rx_mini_pending = 0;
	ring->rx_jumbo_pending = 0;
}

static int i40e_set_ringparam(struct net_device *netdev,
			      struct ethtool_ringparam *ring)
{
	struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	u32 new_rx_count, new_tx_count;
	int i, err = 0;

	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
		return -EINVAL;

1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242
	if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
	    ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
	    ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
	    ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
		netdev_info(netdev,
			    "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
			    ring->tx_pending, ring->rx_pending,
			    I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
		return -EINVAL;
	}

	new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
	new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
J
Jesse Brandeburg 已提交
1243 1244

	/* if nothing to do return success */
1245 1246
	if ((new_tx_count == vsi->tx_rings[0]->count) &&
	    (new_rx_count == vsi->rx_rings[0]->count))
J
Jesse Brandeburg 已提交
1247 1248 1249 1250 1251 1252 1253 1254
		return 0;

	while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
		usleep_range(1000, 2000);

	if (!netif_running(vsi->netdev)) {
		/* simple case - set for the next time the netdev is started */
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1255 1256
			vsi->tx_rings[i]->count = new_tx_count;
			vsi->rx_rings[i]->count = new_rx_count;
J
Jesse Brandeburg 已提交
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266
		}
		goto done;
	}

	/* We can't just free everything and then setup again,
	 * because the ISRs in MSI-X mode get passed pointers
	 * to the Tx and Rx ring structs.
	 */

	/* alloc updated Tx resources */
1267
	if (new_tx_count != vsi->tx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1268 1269
		netdev_info(netdev,
			    "Changing Tx descriptor count from %d to %d.\n",
1270
			    vsi->tx_rings[0]->count, new_tx_count);
J
Jesse Brandeburg 已提交
1271 1272 1273 1274 1275 1276 1277 1278 1279
		tx_rings = kcalloc(vsi->alloc_queue_pairs,
				   sizeof(struct i40e_ring), GFP_KERNEL);
		if (!tx_rings) {
			err = -ENOMEM;
			goto done;
		}

		for (i = 0; i < vsi->num_queue_pairs; i++) {
			/* clone ring and setup updated count */
1280
			tx_rings[i] = *vsi->tx_rings[i];
J
Jesse Brandeburg 已提交
1281
			tx_rings[i].count = new_tx_count;
J
Jesse Brandeburg 已提交
1282 1283 1284 1285 1286
			/* the desc and bi pointers will be reallocated in the
			 * setup call
			 */
			tx_rings[i].desc = NULL;
			tx_rings[i].rx_bi = NULL;
J
Jesse Brandeburg 已提交
1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301
			err = i40e_setup_tx_descriptors(&tx_rings[i]);
			if (err) {
				while (i) {
					i--;
					i40e_free_tx_resources(&tx_rings[i]);
				}
				kfree(tx_rings);
				tx_rings = NULL;

				goto done;
			}
		}
	}

	/* alloc updated Rx resources */
1302
	if (new_rx_count != vsi->rx_rings[0]->count) {
J
Jesse Brandeburg 已提交
1303 1304
		netdev_info(netdev,
			    "Changing Rx descriptor count from %d to %d\n",
1305
			    vsi->rx_rings[0]->count, new_rx_count);
J
Jesse Brandeburg 已提交
1306 1307 1308 1309 1310 1311 1312 1313
		rx_rings = kcalloc(vsi->alloc_queue_pairs,
				   sizeof(struct i40e_ring), GFP_KERNEL);
		if (!rx_rings) {
			err = -ENOMEM;
			goto free_tx;
		}

		for (i = 0; i < vsi->num_queue_pairs; i++) {
1314 1315 1316 1317 1318 1319 1320
			/* this is to allow wr32 to have something to write to
			 * during early allocation of Rx buffers
			 */
			u32 __iomem faketail = 0;
			struct i40e_ring *ring;
			u16 unused;

J
Jesse Brandeburg 已提交
1321
			/* clone ring and setup updated count */
1322
			rx_rings[i] = *vsi->rx_rings[i];
J
Jesse Brandeburg 已提交
1323
			rx_rings[i].count = new_rx_count;
J
Jesse Brandeburg 已提交
1324 1325 1326 1327 1328
			/* the desc and bi pointers will be reallocated in the
			 * setup call
			 */
			rx_rings[i].desc = NULL;
			rx_rings[i].rx_bi = NULL;
1329
			rx_rings[i].tail = (u8 __iomem *)&faketail;
J
Jesse Brandeburg 已提交
1330
			err = i40e_setup_rx_descriptors(&rx_rings[i]);
1331 1332 1333 1334 1335 1336 1337 1338 1339 1340
			if (err)
				goto rx_unwind;

			/* now allocate the Rx buffers to make sure the OS
			 * has enough memory, any failure here means abort
			 */
			ring = &rx_rings[i];
			unused = I40E_DESC_UNUSED(ring);
			err = i40e_alloc_rx_buffers(ring, unused);
rx_unwind:
J
Jesse Brandeburg 已提交
1341
			if (err) {
1342
				do {
J
Jesse Brandeburg 已提交
1343
					i40e_free_rx_resources(&rx_rings[i]);
1344
				} while (i--);
J
Jesse Brandeburg 已提交
1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
				kfree(rx_rings);
				rx_rings = NULL;

				goto free_tx;
			}
		}
	}

	/* Bring interface down, copy in the new ring info,
	 * then restore the interface
	 */
	i40e_down(vsi);

	if (tx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1360 1361
			i40e_free_tx_resources(vsi->tx_rings[i]);
			*vsi->tx_rings[i] = tx_rings[i];
J
Jesse Brandeburg 已提交
1362 1363 1364 1365 1366 1367 1368
		}
		kfree(tx_rings);
		tx_rings = NULL;
	}

	if (rx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1369
			i40e_free_rx_resources(vsi->rx_rings[i]);
1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380
			/* get the real tail offset */
			rx_rings[i].tail = vsi->rx_rings[i]->tail;
			/* this is to fake out the allocation routine
			 * into thinking it has to realloc everything
			 * but the recycling logic will let us re-use
			 * the buffers allocated above
			 */
			rx_rings[i].next_to_use = 0;
			rx_rings[i].next_to_clean = 0;
			rx_rings[i].next_to_alloc = 0;
			/* do a struct copy */
1381
			*vsi->rx_rings[i] = rx_rings[i];
J
Jesse Brandeburg 已提交
1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413
		}
		kfree(rx_rings);
		rx_rings = NULL;
	}

	i40e_up(vsi);

free_tx:
	/* error cleanup if the Rx allocations failed after getting Tx */
	if (tx_rings) {
		for (i = 0; i < vsi->num_queue_pairs; i++)
			i40e_free_tx_resources(&tx_rings[i]);
		kfree(tx_rings);
		tx_rings = NULL;
	}

done:
	clear_bit(__I40E_CONFIG_BUSY, &pf->state);

	return err;
}

static int i40e_get_sset_count(struct net_device *netdev, int sset)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	switch (sset) {
	case ETH_SS_TEST:
		return I40E_TEST_LEN;
	case ETH_SS_STATS:
1414
		if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
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			int len = I40E_PF_STATS_LEN(netdev);

1417 1418
			if ((pf->lan_veb != I40E_NO_VEB) &&
			    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1419
				len += I40E_VEB_STATS_TOTAL;
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			return len;
		} else {
J
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			return I40E_VSI_STATS_LEN(netdev);
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1423
		}
1424
	case ETH_SS_PRIV_FLAGS:
1425 1426 1427 1428
		if (pf->hw.pf_id == 0)
			return I40E_PRIV_FLAGS_GL_STR_LEN;
		else
			return I40E_PRIV_FLAGS_STR_LEN;
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	default:
		return -EOPNOTSUPP;
	}
}

static void i40e_get_ethtool_stats(struct net_device *netdev,
				   struct ethtool_stats *stats, u64 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1438
	struct i40e_ring *tx_ring, *rx_ring;
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	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int i = 0;
	char *p;
	int j;
	struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1445
	unsigned int start;
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	i40e_update_stats(vsi);

	for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
		p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
1454 1455 1456 1457 1458
	for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
		p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
			    sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
1459 1460 1461 1462 1463 1464 1465
#ifdef I40E_FCOE
	for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
		p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
#endif
1466
	rcu_read_lock();
1467
	for (j = 0; j < vsi->num_queue_pairs; j++) {
1468
		tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1469 1470 1471 1472 1473 1474

		if (!tx_ring)
			continue;

		/* process Tx ring statistics */
		do {
1475
			start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1476 1477
			data[i] = tx_ring->stats.packets;
			data[i + 1] = tx_ring->stats.bytes;
1478
		} while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1479
		i += 2;
1480 1481 1482 1483

		/* Rx ring is the 2nd half of the queue pair */
		rx_ring = &tx_ring[1];
		do {
1484
			start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1485 1486
			data[i] = rx_ring->stats.packets;
			data[i + 1] = rx_ring->stats.bytes;
1487
		} while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1488
		i += 2;
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1489
	}
1490
	rcu_read_unlock();
1491
	if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
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1492 1493
		return;

1494 1495
	if ((pf->lan_veb != I40E_NO_VEB) &&
	    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
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1496
		struct i40e_veb *veb = pf->veb[pf->lan_veb];
J
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1497

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1498 1499 1500 1501 1502
		for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
			p = (char *)veb;
			p += i40e_gstrings_veb_stats[j].stat_offset;
			data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
				     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
J
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1503
		}
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1504 1505 1506 1507 1508 1509
		for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
			data[i++] = veb->tc_stats.tc_tx_packets[j];
			data[i++] = veb->tc_stats.tc_tx_bytes[j];
			data[i++] = veb->tc_stats.tc_rx_packets[j];
			data[i++] = veb->tc_stats.tc_rx_bytes[j];
		}
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Jesse Brandeburg 已提交
1510
	}
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1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525
	for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
		p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
		data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
			     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_tx[j];
		data[i++] = pf->stats.priority_xoff_tx[j];
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
		data[i++] = pf->stats.priority_xon_rx[j];
		data[i++] = pf->stats.priority_xoff_rx[j];
	}
	for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
		data[i++] = pf->stats.priority_xon_2_xoff[j];
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1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549
}

static void i40e_get_strings(struct net_device *netdev, u32 stringset,
			     u8 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	char *p = (char *)data;
	int i;

	switch (stringset) {
	case ETH_SS_TEST:
		for (i = 0; i < I40E_TEST_LEN; i++) {
			memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
			data += ETH_GSTRING_LEN;
		}
		break;
	case ETH_SS_STATS:
		for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_net_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
1550 1551 1552 1553 1554
		for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_misc_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
1555 1556 1557 1558 1559 1560 1561
#ifdef I40E_FCOE
		for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "%s",
				 i40e_gstrings_fcoe_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
#endif
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1562
		for (i = 0; i < vsi->num_queue_pairs; i++) {
1563
			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
J
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1564
			p += ETH_GSTRING_LEN;
1565
			snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
J
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1566
			p += ETH_GSTRING_LEN;
1567
			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
J
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1568
			p += ETH_GSTRING_LEN;
1569
			snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
J
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1570 1571
			p += ETH_GSTRING_LEN;
		}
1572
		if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
S
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1573 1574
			return;

1575 1576
		if ((pf->lan_veb != I40E_NO_VEB) &&
		    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
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1577 1578 1579
			for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
				snprintf(p, ETH_GSTRING_LEN, "veb.%s",
					i40e_gstrings_veb_stats[i].stat_string);
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1580 1581
				p += ETH_GSTRING_LEN;
			}
1582 1583
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				snprintf(p, ETH_GSTRING_LEN,
1584
					 "veb.tc_%d_tx_packets", i);
1585 1586
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1587
					 "veb.tc_%d_tx_bytes", i);
1588 1589
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1590
					 "veb.tc_%d_rx_packets", i);
1591 1592
				p += ETH_GSTRING_LEN;
				snprintf(p, ETH_GSTRING_LEN,
1593
					 "veb.tc_%d_rx_bytes", i);
1594 1595
				p += ETH_GSTRING_LEN;
			}
J
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1596
		}
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1597 1598 1599 1600 1601 1602 1603
		for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
			snprintf(p, ETH_GSTRING_LEN, "port.%s",
				 i40e_gstrings_stats[i].stat_string);
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1604
				 "port.tx_priority_%d_xon", i);
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1605 1606
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
1607
				 "port.tx_priority_%d_xoff", i);
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1608 1609 1610 1611
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1612
				 "port.rx_priority_%d_xon", i);
S
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1613 1614
			p += ETH_GSTRING_LEN;
			snprintf(p, ETH_GSTRING_LEN,
1615
				 "port.rx_priority_%d_xoff", i);
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1616 1617 1618 1619
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
			snprintf(p, ETH_GSTRING_LEN,
1620
				 "port.rx_priority_%d_xon_2_xoff", i);
S
Shannon Nelson 已提交
1621 1622
			p += ETH_GSTRING_LEN;
		}
J
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1623 1624
		/* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
		break;
1625
	case ETH_SS_PRIV_FLAGS:
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637
		if (pf->hw.pf_id == 0) {
			for (i = 0; i < I40E_PRIV_FLAGS_GL_STR_LEN; i++) {
				memcpy(data, i40e_priv_flags_strings_gl[i],
				       ETH_GSTRING_LEN);
				data += ETH_GSTRING_LEN;
			}
		} else {
			for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
				memcpy(data, i40e_priv_flags_strings[i],
				       ETH_GSTRING_LEN);
				data += ETH_GSTRING_LEN;
			}
1638 1639
		}
		break;
1640 1641
	default:
		break;
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1642 1643 1644 1645 1646 1647
	}
}

static int i40e_get_ts_info(struct net_device *dev,
			    struct ethtool_ts_info *info)
{
J
Jacob Keller 已提交
1648 1649
	struct i40e_pf *pf = i40e_netdev_to_pf(dev);

1650 1651 1652 1653
	/* only report HW timestamping if PTP is enabled */
	if (!(pf->flags & I40E_FLAG_PTP))
		return ethtool_op_get_ts_info(dev, info);

J
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1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665
	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
				SOF_TIMESTAMPING_RX_SOFTWARE |
				SOF_TIMESTAMPING_SOFTWARE |
				SOF_TIMESTAMPING_TX_HARDWARE |
				SOF_TIMESTAMPING_RX_HARDWARE |
				SOF_TIMESTAMPING_RAW_HARDWARE;

	if (pf->ptp_clock)
		info->phc_index = ptp_clock_index(pf->ptp_clock);
	else
		info->phc_index = -1;

1666
	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
J
Jacob Keller 已提交
1667

1668 1669 1670
	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
			   BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
			   BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
J
Jacob Keller 已提交
1671 1672

	return 0;
J
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1673 1674
}

S
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1675
static int i40e_link_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1676
{
S
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1677 1678
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
1679 1680
	i40e_status status;
	bool link_up = false;
S
Shannon Nelson 已提交
1681

S
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1682
	netif_info(pf, hw, netdev, "link test\n");
1683 1684 1685 1686 1687 1688 1689 1690
	status = i40e_get_link_status(&pf->hw, &link_up);
	if (status) {
		netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
		*data = 1;
		return *data;
	}

	if (link_up)
J
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1691 1692 1693 1694 1695 1696 1697
		*data = 0;
	else
		*data = 1;

	return *data;
}

S
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1698
static int i40e_reg_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1699
{
S
Shannon Nelson 已提交
1700 1701
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1702

S
Shannon Nelson 已提交
1703
	netif_info(pf, hw, netdev, "register test\n");
S
Shannon Nelson 已提交
1704
	*data = i40e_diag_reg_test(&pf->hw);
J
Jesse Brandeburg 已提交
1705

S
Shannon Nelson 已提交
1706
	return *data;
J
Jesse Brandeburg 已提交
1707 1708
}

S
Shannon Nelson 已提交
1709
static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1710
{
S
Shannon Nelson 已提交
1711 1712
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
J
Jesse Brandeburg 已提交
1713

S
Shannon Nelson 已提交
1714
	netif_info(pf, hw, netdev, "eeprom test\n");
S
Shannon Nelson 已提交
1715
	*data = i40e_diag_eeprom_test(&pf->hw);
J
Jesse Brandeburg 已提交
1716

1717 1718 1719
	/* forcebly clear the NVM Update state machine */
	pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;

S
Shannon Nelson 已提交
1720
	return *data;
J
Jesse Brandeburg 已提交
1721 1722
}

S
Shannon Nelson 已提交
1723
static int i40e_intr_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1724
{
S
Shannon Nelson 已提交
1725 1726
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
S
Shannon Nelson 已提交
1727 1728
	u16 swc_old = pf->sw_int_count;

S
Shannon Nelson 已提交
1729
	netif_info(pf, hw, netdev, "interrupt test\n");
S
Shannon Nelson 已提交
1730 1731
	wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
	     (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1732 1733 1734 1735
	      I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
	      I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
	      I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
S
Shannon Nelson 已提交
1736 1737
	usleep_range(1000, 2000);
	*data = (swc_old == pf->sw_int_count);
J
Jesse Brandeburg 已提交
1738 1739 1740 1741

	return *data;
}

S
Shannon Nelson 已提交
1742
static int i40e_loopback_test(struct net_device *netdev, u64 *data)
J
Jesse Brandeburg 已提交
1743
{
S
Shannon Nelson 已提交
1744 1745 1746 1747
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;

	netif_info(pf, hw, netdev, "loopback test not implemented\n");
S
Shannon Nelson 已提交
1748
	*data = 0;
J
Jesse Brandeburg 已提交
1749 1750 1751 1752

	return *data;
}

1753 1754 1755 1756 1757 1758
static inline bool i40e_active_vfs(struct i40e_pf *pf)
{
	struct i40e_vf *vfs = pf->vf;
	int i;

	for (i = 0; i < pf->num_alloc_vfs; i++)
J
Jesse Brandeburg 已提交
1759
		if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1760 1761 1762 1763
			return true;
	return false;
}

1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778
static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
{
	struct i40e_vsi **vsi = pf->vsi;
	int i;

	for (i = 0; i < pf->num_alloc_vsi; i++) {
		if (!vsi[i])
			continue;
		if (vsi[i]->type == I40E_VSI_VMDQ2)
			return true;
	}

	return false;
}

J
Jesse Brandeburg 已提交
1779 1780 1781 1782
static void i40e_diag_test(struct net_device *netdev,
			   struct ethtool_test *eth_test, u64 *data)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
G
Greg Rose 已提交
1783
	bool if_running = netif_running(netdev);
J
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1784 1785 1786 1787
	struct i40e_pf *pf = np->vsi->back;

	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */
S
Shannon Nelson 已提交
1788
		netif_info(pf, drv, netdev, "offline testing starting\n");
J
Jesse Brandeburg 已提交
1789

1790
		set_bit(__I40E_TESTING, &pf->state);
1791

1792
		if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1793
			dev_warn(&pf->pdev->dev,
1794
				 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1795 1796 1797 1798 1799 1800 1801 1802 1803 1804
			data[I40E_ETH_TEST_REG]		= 1;
			data[I40E_ETH_TEST_EEPROM]	= 1;
			data[I40E_ETH_TEST_INTR]	= 1;
			data[I40E_ETH_TEST_LOOPBACK]	= 1;
			data[I40E_ETH_TEST_LINK]	= 1;
			eth_test->flags |= ETH_TEST_FL_FAILED;
			clear_bit(__I40E_TESTING, &pf->state);
			goto skip_ol_tests;
		}

G
Greg Rose 已提交
1805 1806 1807
		/* If the device is online then take it offline */
		if (if_running)
			/* indicate we're in test mode */
1808
			i40e_close(netdev);
G
Greg Rose 已提交
1809
		else
1810 1811 1812 1813 1814
			/* This reset does not affect link - if it is
			 * changed to a type of reset that does affect
			 * link then the following link test would have
			 * to be moved to before the reset
			 */
1815
			i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1816

S
Shannon Nelson 已提交
1817
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
1818 1819
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1820
		if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
J
Jesse Brandeburg 已提交
1821 1822
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1823
		if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
J
Jesse Brandeburg 已提交
1824 1825
			eth_test->flags |= ETH_TEST_FL_FAILED;

S
Shannon Nelson 已提交
1826
		if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
J
Jesse Brandeburg 已提交
1827 1828
			eth_test->flags |= ETH_TEST_FL_FAILED;

1829 1830 1831 1832 1833
		/* run reg test last, a reset is required after it */
		if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		clear_bit(__I40E_TESTING, &pf->state);
1834
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
G
Greg Rose 已提交
1835 1836

		if (if_running)
1837
			i40e_open(netdev);
J
Jesse Brandeburg 已提交
1838 1839
	} else {
		/* Online tests */
S
Shannon Nelson 已提交
1840 1841
		netif_info(pf, drv, netdev, "online testing starting\n");

S
Shannon Nelson 已提交
1842
		if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
J
Jesse Brandeburg 已提交
1843 1844 1845 1846 1847 1848 1849 1850
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline only tests, not run in online; pass by default */
		data[I40E_ETH_TEST_REG] = 0;
		data[I40E_ETH_TEST_EEPROM] = 0;
		data[I40E_ETH_TEST_INTR] = 0;
		data[I40E_ETH_TEST_LOOPBACK] = 0;
	}
1851

1852 1853
skip_ol_tests:

S
Shannon Nelson 已提交
1854
	netif_info(pf, drv, netdev, "testing finished\n");
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1855 1856 1857 1858 1859
}

static void i40e_get_wol(struct net_device *netdev,
			 struct ethtool_wolinfo *wol)
{
S
Shannon Nelson 已提交
1860 1861 1862 1863 1864 1865 1866
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	u16 wol_nvm_bits;

	/* NVM bit on means WoL disabled for the port */
	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1867
	if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
S
Shannon Nelson 已提交
1868 1869 1870 1871 1872 1873 1874 1875
		wol->supported = 0;
		wol->wolopts = 0;
	} else {
		wol->supported = WAKE_MAGIC;
		wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
	}
}

1876 1877 1878 1879 1880
/**
 * i40e_set_wol - set the WakeOnLAN configuration
 * @netdev: the netdev in question
 * @wol: the ethtool WoL setting data
 **/
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Shannon Nelson 已提交
1881 1882 1883 1884
static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_pf *pf = np->vsi->back;
1885
	struct i40e_vsi *vsi = np->vsi;
S
Shannon Nelson 已提交
1886 1887 1888
	struct i40e_hw *hw = &pf->hw;
	u16 wol_nvm_bits;

1889 1890 1891 1892 1893 1894 1895 1896 1897
	/* WoL not supported if this isn't the controlling PF on the port */
	if (hw->partition_id != 1) {
		i40e_partition_setting_complaint(pf);
		return -EOPNOTSUPP;
	}

	if (vsi != pf->vsi[pf->lan_vsi])
		return -EOPNOTSUPP;

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Shannon Nelson 已提交
1898 1899
	/* NVM bit on means WoL disabled for the port */
	i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1900
	if (BIT(hw->port) & wol_nvm_bits)
S
Shannon Nelson 已提交
1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912
		return -EOPNOTSUPP;

	/* only magic packet is supported */
	if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
		return -EOPNOTSUPP;

	/* is this a new value? */
	if (pf->wol_en != !!wol->wolopts) {
		pf->wol_en = !!wol->wolopts;
		device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
	}

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	return 0;
}

static int i40e_set_phys_id(struct net_device *netdev,
			    enum ethtool_phys_id_state state)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1920
	i40e_status ret = 0;
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	struct i40e_pf *pf = np->vsi->back;
	struct i40e_hw *hw = &pf->hw;
	int blink_freq = 2;
1924
	u16 temp_status;
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	switch (state) {
	case ETHTOOL_ID_ACTIVE:
1928 1929 1930
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
			pf->led_status = i40e_led_get(hw);
		} else {
1931
			i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1932 1933 1934 1935
			ret = i40e_led_get_phy(hw, &temp_status,
					       &pf->phy_led_val);
			pf->led_status = temp_status;
		}
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Jesse Brandeburg 已提交
1936 1937
		return blink_freq;
	case ETHTOOL_ID_ON:
1938 1939 1940 1941
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
			i40e_led_set(hw, 0xf, false);
		else
			ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
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Jesse Brandeburg 已提交
1942 1943
		break;
	case ETHTOOL_ID_OFF:
1944 1945 1946 1947
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY))
			i40e_led_set(hw, 0x0, false);
		else
			ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
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Jesse Brandeburg 已提交
1948 1949
		break;
	case ETHTOOL_ID_INACTIVE:
1950 1951 1952 1953 1954 1955 1956 1957
		if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) {
			i40e_led_set(hw, false, pf->led_status);
		} else {
			ret = i40e_led_set_phy(hw, false, pf->led_status,
					       (pf->phy_led_val |
					       I40E_PHY_LED_MODE_ORIG));
			i40e_aq_set_phy_debug(hw, 0, NULL);
		}
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		break;
1959 1960
	default:
		break;
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	}
1962 1963 1964 1965
		if (ret)
			return -ENOENT;
		else
			return 0;
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}

/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
 * 125us (8000 interrupts per second) == ITR(62)
 */

1973 1974 1975 1976 1977 1978 1979 1980 1981 1982
/**
 * __i40e_get_coalesce - get per-queue coalesce settings
 * @netdev: the netdev to check
 * @ec: ethtool coalesce data structure
 * @queue: which queue to pick
 *
 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
 * are per queue. If queue is <0 then we default to queue 0 as the
 * representative value.
 **/
1983 1984 1985
static int __i40e_get_coalesce(struct net_device *netdev,
			       struct ethtool_coalesce *ec,
			       int queue)
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Jesse Brandeburg 已提交
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{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
1988
	struct i40e_ring *rx_ring, *tx_ring;
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Jesse Brandeburg 已提交
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	struct i40e_vsi *vsi = np->vsi;

	ec->tx_max_coalesced_frames_irq = vsi->work_limit;
	ec->rx_max_coalesced_frames_irq = vsi->work_limit;

1994 1995 1996 1997 1998 1999 2000 2001 2002
	/* rx and tx usecs has per queue value. If user doesn't specify the queue,
	 * return queue 0's value to represent.
	 */
	if (queue < 0) {
		queue = 0;
	} else if (queue >= vsi->num_queue_pairs) {
		return -EINVAL;
	}

2003 2004 2005 2006
	rx_ring = vsi->rx_rings[queue];
	tx_ring = vsi->tx_rings[queue];

	if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
2007
		ec->use_adaptive_rx_coalesce = 1;
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Jesse Brandeburg 已提交
2008

2009
	if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
2010 2011
		ec->use_adaptive_tx_coalesce = 1;

2012 2013 2014
	ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
	ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;

2015

2016 2017 2018 2019 2020 2021 2022 2023
	/* we use the _usecs_high to store/set the interrupt rate limit
	 * that the hardware supports, that almost but not quite
	 * fits the original intent of the ethtool variable,
	 * the rx_coalesce_usecs_high limits total interrupts
	 * per second from both tx/rx sources.
	 */
	ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
	ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
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Jesse Brandeburg 已提交
2024 2025 2026 2027

	return 0;
}

2028 2029 2030 2031 2032 2033 2034 2035 2036
/**
 * i40e_get_coalesce - get a netdev's coalesce settings
 * @netdev: the netdev to check
 * @ec: ethtool coalesce data structure
 *
 * Gets the coalesce settings for a particular netdev. Note that if user has
 * modified per-queue settings, this only guarantees to represent queue 0. See
 * __i40e_get_coalesce for more details.
 **/
2037
static int i40e_get_coalesce(struct net_device *netdev,
J
Jesse Brandeburg 已提交
2038 2039
			     struct ethtool_coalesce *ec)
{
2040 2041 2042
	return __i40e_get_coalesce(netdev, ec, -1);
}

2043 2044 2045 2046 2047 2048 2049 2050
/**
 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
 * @netdev: netdev structure
 * @ec: ethtool's coalesce settings
 * @queue: the particular queue to read
 *
 * Will read a specific queue's coalesce settings
 **/
2051 2052 2053 2054 2055 2056
static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *ec)
{
	return __i40e_get_coalesce(netdev, ec, queue);
}

2057 2058 2059 2060 2061 2062 2063 2064 2065
/**
 * i40e_set_itr_per_queue - set ITR values for specific queue
 * @vsi: the VSI to set values for
 * @ec: coalesce settings from ethtool
 * @queue: the queue to modify
 *
 * Change the ITR settings for a specific queue.
 **/

2066 2067 2068 2069 2070 2071
static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
				   struct ethtool_coalesce *ec,
				   int queue)
{
	struct i40e_pf *pf = vsi->back;
	struct i40e_hw *hw = &pf->hw;
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Jesse Brandeburg 已提交
2072
	struct i40e_q_vector *q_vector;
2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
	u16 vector, intrl;

	intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);

	vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
	vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;

	if (ec->use_adaptive_rx_coalesce)
		vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
	else
		vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;

	if (ec->use_adaptive_tx_coalesce)
		vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
	else
		vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;

	q_vector = vsi->rx_rings[queue]->q_vector;
	q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
	vector = vsi->base_vector + q_vector->v_idx;
	wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);

	q_vector = vsi->tx_rings[queue]->q_vector;
	q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
	vector = vsi->base_vector + q_vector->v_idx;
	wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);

	wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
	i40e_flush(hw);
}

2104 2105 2106 2107 2108 2109 2110 2111
/**
 * __i40e_set_coalesce - set coalesce settings for particular queue
 * @netdev: the netdev to change
 * @ec: ethtool coalesce settings
 * @queue: the queue to change
 *
 * Sets the coalesce settings for a particular queue.
 **/
2112 2113 2114 2115 2116
static int __i40e_set_coalesce(struct net_device *netdev,
			       struct ethtool_coalesce *ec,
			       int queue)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
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Jesse Brandeburg 已提交
2117 2118 2119 2120 2121 2122 2123
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int i;

	if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
		vsi->work_limit = ec->tx_max_coalesced_frames_irq;

2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
	/* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
	if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
		netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
		return -EINVAL;
	}

	if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
		netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
		return -EINVAL;
	}

2135
	if (ec->rx_coalesce_usecs == 0) {
2136
		if (ec->use_adaptive_rx_coalesce)
2137
			netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2138 2139 2140 2141
	} else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
		   (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
			netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
			return -EINVAL;
2142
	}
J
Jesse Brandeburg 已提交
2143

2144 2145
	vsi->int_rate_limit = ec->rx_coalesce_usecs_high;

2146
	if (ec->tx_coalesce_usecs == 0) {
2147
		if (ec->use_adaptive_tx_coalesce)
2148
			netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2149 2150 2151 2152
	} else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
		   (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
			netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
			return -EINVAL;
2153
	}
2154

2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
	/* rx and tx usecs has per queue value. If user doesn't specify the queue,
	 * apply to all queues.
	 */
	if (queue < 0) {
		for (i = 0; i < vsi->num_queue_pairs; i++)
			i40e_set_itr_per_queue(vsi, ec, i);
	} else if (queue < vsi->num_queue_pairs) {
		i40e_set_itr_per_queue(vsi, ec, queue);
	} else {
		netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
			   vsi->num_queue_pairs - 1);
		return -EINVAL;
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Jesse Brandeburg 已提交
2167 2168 2169 2170 2171
	}

	return 0;
}

2172 2173 2174 2175 2176 2177 2178
/**
 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
 * @netdev: the netdev to change
 * @ec: ethtool coalesce settings
 *
 * This will set each queue to the same coalesce settings.
 **/
2179 2180 2181 2182 2183 2184
static int i40e_set_coalesce(struct net_device *netdev,
			     struct ethtool_coalesce *ec)
{
	return __i40e_set_coalesce(netdev, ec, -1);
}

2185 2186 2187 2188 2189 2190 2191 2192
/**
 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
 * @netdev: the netdev to change
 * @ec: ethtool's coalesce settings
 * @queue: the queue to change
 *
 * Sets the specified queue's coalesce settings.
 **/
2193 2194 2195 2196 2197 2198
static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
				       struct ethtool_coalesce *ec)
{
	return __i40e_set_coalesce(netdev, ec, queue);
}

J
Jesse Brandeburg 已提交
2199 2200 2201 2202 2203 2204 2205 2206 2207
/**
 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
 * @pf: pointer to the physical function struct
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the flow is supported, else Invalid Input.
 **/
static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
{
2208 2209 2210 2211
	struct i40e_hw *hw = &pf->hw;
	u8 flow_pctype = 0;
	u64 i_set = 0;

J
Jesse Brandeburg 已提交
2212 2213 2214 2215
	cmd->data = 0;

	switch (cmd->flow_type) {
	case TCP_V4_FLOW:
2216 2217
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
		break;
J
Jesse Brandeburg 已提交
2218
	case UDP_V4_FLOW:
2219 2220 2221 2222 2223 2224 2225 2226
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
		break;
	case TCP_V6_FLOW:
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
		break;
	case UDP_V6_FLOW:
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
		break;
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Jesse Brandeburg 已提交
2227 2228 2229 2230 2231 2232 2233 2234 2235 2236
	case SCTP_V4_FLOW:
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case IPV4_FLOW:
	case SCTP_V6_FLOW:
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case IPV6_FLOW:
2237
		/* Default is src/dest for IP, no matter the L4 hashing */
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Jesse Brandeburg 已提交
2238 2239 2240 2241 2242 2243
		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
		break;
	default:
		return -EINVAL;
	}

2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273
	/* Read flow based hash input set register */
	if (flow_pctype) {
		i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
					      flow_pctype)) |
			((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
					       flow_pctype)) << 32);
	}

	/* Process bits of hash input set */
	if (i_set) {
		if (i_set & I40E_L4_SRC_MASK)
			cmd->data |= RXH_L4_B_0_1;
		if (i_set & I40E_L4_DST_MASK)
			cmd->data |= RXH_L4_B_2_3;

		if (cmd->flow_type == TCP_V4_FLOW ||
		    cmd->flow_type == UDP_V4_FLOW) {
			if (i_set & I40E_L3_SRC_MASK)
				cmd->data |= RXH_IP_SRC;
			if (i_set & I40E_L3_DST_MASK)
				cmd->data |= RXH_IP_DST;
		} else if (cmd->flow_type == TCP_V6_FLOW ||
			  cmd->flow_type == UDP_V6_FLOW) {
			if (i_set & I40E_L3_V6_SRC_MASK)
				cmd->data |= RXH_IP_SRC;
			if (i_set & I40E_L3_V6_DST_MASK)
				cmd->data |= RXH_IP_DST;
		}
	}

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Jesse Brandeburg 已提交
2274 2275 2276
	return 0;
}

2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296
/**
 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
 * @pf: Pointer to the physical function struct
 * @cmd: The command to get or set Rx flow classification rules
 * @rule_locs: Array of used rule locations
 *
 * This function populates both the total and actual rule count of
 * the ethtool flow classification command
 *
 * Returns 0 on success or -EMSGSIZE if entry not found
 **/
static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
				     struct ethtool_rxnfc *cmd,
				     u32 *rule_locs)
{
	struct i40e_fdir_filter *rule;
	struct hlist_node *node2;
	int cnt = 0;

	/* report total rule count */
2297
	cmd->data = i40e_get_fd_cnt_all(pf);
2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340

	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (cnt == cmd->rule_cnt)
			return -EMSGSIZE;

		rule_locs[cnt] = rule->fd_id;
		cnt++;
	}

	cmd->rule_cnt = cnt;

	return 0;
}

/**
 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
 * @pf: Pointer to the physical function struct
 * @cmd: The command to get or set Rx flow classification rules
 *
 * This function looks up a filter based on the Rx flow classification
 * command and fills the flow spec info for it if found
 *
 * Returns 0 on success or -EINVAL if filter not found
 **/
static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
				       struct ethtool_rxnfc *cmd)
{
	struct ethtool_rx_flow_spec *fsp =
			(struct ethtool_rx_flow_spec *)&cmd->fs;
	struct i40e_fdir_filter *rule = NULL;
	struct hlist_node *node2;

	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (fsp->location <= rule->fd_id)
			break;
	}

	if (!rule || fsp->location != rule->fd_id)
		return -EINVAL;

	fsp->flow_type = rule->flow_type;
2341 2342 2343 2344 2345 2346
	if (fsp->flow_type == IP_USER_FLOW) {
		fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
		fsp->h_u.usr_ip4_spec.proto = 0;
		fsp->m_u.usr_ip4_spec.proto = 0;
	}

2347 2348 2349 2350 2351 2352 2353
	/* Reverse the src and dest notion, since the HW views them from
	 * Tx perspective where as the user expects it from Rx filter view.
	 */
	fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
	fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
	fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
	fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2354 2355 2356 2357 2358

	if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
		fsp->ring_cookie = RX_CLS_FLOW_DISC;
	else
		fsp->ring_cookie = rule->q_index;
2359

2360 2361 2362 2363 2364 2365 2366 2367 2368 2369
	if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
		struct i40e_vsi *vsi;

		vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
		if (vsi && vsi->type == I40E_VSI_SRIOV) {
			fsp->h_ext.data[1] = htonl(vsi->vf_id);
			fsp->m_ext.data[1] = htonl(0x1);
		}
	}

2370 2371 2372
	return 0;
}

J
Jesse Brandeburg 已提交
2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
/**
 * i40e_get_rxnfc - command to get RX flow classification rules
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the command is supported.
 **/
static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
			  u32 *rule_locs)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int ret = -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_GRXRINGS:
2390
		cmd->data = vsi->num_queue_pairs;
J
Jesse Brandeburg 已提交
2391 2392 2393 2394 2395 2396
		ret = 0;
		break;
	case ETHTOOL_GRXFH:
		ret = i40e_get_rss_hash_opts(pf, cmd);
		break;
	case ETHTOOL_GRXCLSRLCNT:
2397
		cmd->rule_cnt = pf->fdir_pf_active_filters;
2398 2399
		/* report total rule count */
		cmd->data = i40e_get_fd_cnt_all(pf);
J
Jesse Brandeburg 已提交
2400 2401 2402
		ret = 0;
		break;
	case ETHTOOL_GRXCLSRULE:
2403
		ret = i40e_get_ethtool_fdir_entry(pf, cmd);
J
Jesse Brandeburg 已提交
2404 2405
		break;
	case ETHTOOL_GRXCLSRLALL:
2406 2407
		ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
		break;
J
Jesse Brandeburg 已提交
2408 2409 2410 2411 2412 2413 2414
	default:
		break;
	}

	return ret;
}

2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459
/**
 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
 * @nfc: pointer to user request
 * @i_setc bits currently set
 *
 * Returns value of bits to be set per user request
 **/
static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
{
	u64 i_set = i_setc;
	u64 src_l3 = 0, dst_l3 = 0;

	if (nfc->data & RXH_L4_B_0_1)
		i_set |= I40E_L4_SRC_MASK;
	else
		i_set &= ~I40E_L4_SRC_MASK;
	if (nfc->data & RXH_L4_B_2_3)
		i_set |= I40E_L4_DST_MASK;
	else
		i_set &= ~I40E_L4_DST_MASK;

	if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
		src_l3 = I40E_L3_V6_SRC_MASK;
		dst_l3 = I40E_L3_V6_DST_MASK;
	} else if (nfc->flow_type == TCP_V4_FLOW ||
		  nfc->flow_type == UDP_V4_FLOW) {
		src_l3 = I40E_L3_SRC_MASK;
		dst_l3 = I40E_L3_DST_MASK;
	} else {
		/* Any other flow type are not supported here */
		return i_set;
	}

	if (nfc->data & RXH_IP_SRC)
		i_set |= src_l3;
	else
		i_set &= ~src_l3;
	if (nfc->data & RXH_IP_DST)
		i_set |= dst_l3;
	else
		i_set &= ~dst_l3;

	return i_set;
}

J
Jesse Brandeburg 已提交
2460 2461 2462 2463 2464 2465 2466 2467 2468 2469
/**
 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
 * @pf: pointer to the physical function struct
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the flow input set is supported.
 **/
static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
{
	struct i40e_hw *hw = &pf->hw;
2470 2471
	u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
		   ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2472 2473
	u8 flow_pctype = 0;
	u64 i_set, i_setc;
J
Jesse Brandeburg 已提交
2474 2475 2476 2477 2478 2479 2480 2481 2482 2483

	/* RSS does not support anything other than hashing
	 * to queues on src and dst IPs and ports
	 */
	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
		return -EINVAL;

	switch (nfc->flow_type) {
	case TCP_V4_FLOW:
2484 2485 2486 2487
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
J
Jesse Brandeburg 已提交
2488 2489
		break;
	case TCP_V6_FLOW:
2490 2491 2492 2493 2494 2495 2496
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
J
Jesse Brandeburg 已提交
2497 2498
		break;
	case UDP_V4_FLOW:
2499 2500 2501 2502 2503 2504 2505
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);

		hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
J
Jesse Brandeburg 已提交
2506 2507
		break;
	case UDP_V6_FLOW:
2508 2509 2510 2511 2512 2513 2514
		flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
		if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
			hena |=
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
			  BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);

		hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
J
Jesse Brandeburg 已提交
2515 2516 2517 2518 2519 2520 2521 2522
		break;
	case AH_ESP_V4_FLOW:
	case AH_V4_FLOW:
	case ESP_V4_FLOW:
	case SCTP_V4_FLOW:
		if ((nfc->data & RXH_L4_B_0_1) ||
		    (nfc->data & RXH_L4_B_2_3))
			return -EINVAL;
2523
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
J
Jesse Brandeburg 已提交
2524 2525 2526 2527 2528 2529 2530 2531
		break;
	case AH_ESP_V6_FLOW:
	case AH_V6_FLOW:
	case ESP_V6_FLOW:
	case SCTP_V6_FLOW:
		if ((nfc->data & RXH_L4_B_0_1) ||
		    (nfc->data & RXH_L4_B_2_3))
			return -EINVAL;
2532
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
J
Jesse Brandeburg 已提交
2533 2534
		break;
	case IPV4_FLOW:
2535 2536
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
J
Jesse Brandeburg 已提交
2537 2538
		break;
	case IPV6_FLOW:
2539 2540
		hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
			BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
J
Jesse Brandeburg 已提交
2541 2542 2543 2544 2545
		break;
	default:
		return -EINVAL;
	}

2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558
	if (flow_pctype) {
		i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
					       flow_pctype)) |
			((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
					       flow_pctype)) << 32);
		i_set = i40e_get_rss_hash_bits(nfc, i_setc);
		i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
				  (u32)i_set);
		i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
				  (u32)(i_set >> 32));
		hena |= BIT_ULL(flow_pctype);
	}

2559 2560
	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
J
Jesse Brandeburg 已提交
2561 2562 2563 2564 2565
	i40e_flush(hw);

	return 0;
}

2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583
/**
 * i40e_match_fdir_input_set - Match a new filter against an existing one
 * @rule: The filter already added
 * @input: The new filter to comapre against
 *
 * Returns true if the two input set match
 **/
static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
				      struct i40e_fdir_filter *input)
{
	if ((rule->dst_ip[0] != input->dst_ip[0]) ||
	    (rule->src_ip[0] != input->src_ip[0]) ||
	    (rule->dst_port != input->dst_port) ||
	    (rule->src_port != input->src_port))
		return false;
	return true;
}

J
Jesse Brandeburg 已提交
2584
/**
2585 2586 2587 2588 2589
 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
 * @vsi: Pointer to the targeted VSI
 * @input: The filter to update or NULL to indicate deletion
 * @sw_idx: Software index to the filter
 * @cmd: The command to get or set Rx flow classification rules
J
Jesse Brandeburg 已提交
2590
 *
2591 2592 2593 2594
 * This function updates (or deletes) a Flow Director entry from
 * the hlist of the corresponding PF
 *
 * Returns 0 on success
J
Jesse Brandeburg 已提交
2595
 **/
2596 2597 2598 2599
static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
					  struct i40e_fdir_filter *input,
					  u16 sw_idx,
					  struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2600
{
2601
	struct i40e_fdir_filter *rule, *parent;
J
Jesse Brandeburg 已提交
2602
	struct i40e_pf *pf = vsi->back;
2603 2604
	struct hlist_node *node2;
	int err = -EINVAL;
J
Jesse Brandeburg 已提交
2605

2606 2607
	parent = NULL;
	rule = NULL;
J
Jesse Brandeburg 已提交
2608

2609 2610 2611 2612 2613 2614
	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		/* hash found, or no matching entry */
		if (rule->fd_id >= sw_idx)
			break;
		parent = rule;
J
Jesse Brandeburg 已提交
2615 2616
	}

2617 2618
	/* if there is an old rule occupying our place remove it */
	if (rule && (rule->fd_id == sw_idx)) {
2619 2620 2621 2622
		if (input && !i40e_match_fdir_input_set(rule, input))
			err = i40e_add_del_fdir(vsi, rule, false);
		else if (!input)
			err = i40e_add_del_fdir(vsi, rule, false);
2623 2624 2625
		hlist_del(&rule->fdir_node);
		kfree(rule);
		pf->fdir_pf_active_filters--;
2626 2627
	}

2628 2629 2630 2631 2632
	/* If no input this was a delete, err should be 0 if a rule was
	 * successfully found and removed from the list else -EINVAL
	 */
	if (!input)
		return err;
J
Jesse Brandeburg 已提交
2633

2634 2635
	/* initialize node and set software index */
	INIT_HLIST_NODE(&input->fdir_node);
J
Jesse Brandeburg 已提交
2636

2637 2638
	/* add filter to the list */
	if (parent)
2639
		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2640 2641 2642
	else
		hlist_add_head(&input->fdir_node,
			       &pf->fdir_filter_list);
J
Jesse Brandeburg 已提交
2643

2644 2645
	/* update counts */
	pf->fdir_pf_active_filters++;
J
Jesse Brandeburg 已提交
2646

2647
	return 0;
J
Jesse Brandeburg 已提交
2648 2649 2650
}

/**
2651 2652 2653
 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
 * @vsi: Pointer to the targeted VSI
 * @cmd: The command to get or set Rx flow classification rules
J
Jesse Brandeburg 已提交
2654
 *
2655 2656
 * The function removes a Flow Director filter entry from the
 * hlist of the corresponding PF
J
Jesse Brandeburg 已提交
2657
 *
2658 2659 2660 2661
 * Returns 0 on success
 */
static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
			       struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2662
{
2663 2664
	struct ethtool_rx_flow_spec *fsp =
		(struct ethtool_rx_flow_spec *)&cmd->fs;
J
Jesse Brandeburg 已提交
2665
	struct i40e_pf *pf = vsi->back;
2666
	int ret = 0;
J
Jesse Brandeburg 已提交
2667

2668 2669 2670 2671
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2672 2673 2674
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2675
	ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
J
Jesse Brandeburg 已提交
2676

2677
	i40e_fdir_check_and_reenable(pf);
2678
	return ret;
J
Jesse Brandeburg 已提交
2679 2680 2681
}

/**
2682
 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
J
Jesse Brandeburg 已提交
2683 2684 2685
 * @vsi: pointer to the targeted VSI
 * @cmd: command to get or set RX flow classification rules
 *
2686 2687
 * Add Flow Director filters for a specific flow spec based on their
 * protocol.  Returns 0 if the filters were successfully added.
J
Jesse Brandeburg 已提交
2688
 **/
2689 2690
static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
				 struct ethtool_rxnfc *cmd)
J
Jesse Brandeburg 已提交
2691
{
2692 2693
	struct ethtool_rx_flow_spec *fsp;
	struct i40e_fdir_filter *input;
J
Jesse Brandeburg 已提交
2694
	struct i40e_pf *pf;
2695
	int ret = -EINVAL;
2696
	u16 vf_id;
J
Jesse Brandeburg 已提交
2697 2698 2699 2700 2701

	if (!vsi)
		return -EINVAL;
	pf = vsi->back;

2702 2703 2704
	if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
		return -EOPNOTSUPP;

2705
	if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2706 2707
		return -ENOSPC;

2708 2709 2710 2711
	if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
	    test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
		return -EBUSY;

2712 2713 2714
	if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
		return -EBUSY;

2715 2716
	fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;

2717 2718
	if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
			      pf->hw.func_caps.fd_filters_guaranteed)) {
J
Jesse Brandeburg 已提交
2719
		return -EINVAL;
2720
	}
J
Jesse Brandeburg 已提交
2721

2722 2723
	if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
	    (fsp->ring_cookie >= vsi->num_queue_pairs))
2724
		return -EINVAL;
J
Jesse Brandeburg 已提交
2725

2726
	input = kzalloc(sizeof(*input), GFP_KERNEL);
J
Jesse Brandeburg 已提交
2727

2728 2729
	if (!input)
		return -ENOMEM;
J
Jesse Brandeburg 已提交
2730

2731 2732
	input->fd_id = fsp->location;

2733 2734 2735 2736 2737 2738
	if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
		input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
	else
		input->dest_ctl =
			     I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;

2739 2740 2741 2742 2743
	input->q_index = fsp->ring_cookie;
	input->flex_off = 0;
	input->pctype = 0;
	input->dest_vsi = vsi->id;
	input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2744
	input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2745 2746
	input->flow_type = fsp->flow_type;
	input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2747 2748 2749 2750 2751 2752 2753 2754

	/* Reverse the src and dest notion, since the HW expects them to be from
	 * Tx perspective where as the input from user is from Rx filter view.
	 */
	input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
	input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
	input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
	input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2755

2756
	if (ntohl(fsp->m_ext.data[1])) {
2757 2758 2759 2760
		vf_id = ntohl(fsp->h_ext.data[1]);
		if (vf_id >= pf->num_alloc_vfs) {
			netif_info(pf, drv, vsi->netdev,
				   "Invalid VF id %d\n", vf_id);
2761 2762 2763 2764 2765
			goto free_input;
		}
		/* Find vsi id from vf id and override dest vsi */
		input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
		if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2766 2767 2768
			netif_info(pf, drv, vsi->netdev,
				   "Invalid queue id %d for VF %d\n",
				   input->q_index, vf_id);
2769 2770 2771 2772
			goto free_input;
		}
	}

2773
	ret = i40e_add_del_fdir(vsi, input, true);
2774
free_input:
2775
	if (ret)
2776 2777
		kfree(input);
	else
2778
		i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
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2779 2780 2781

	return ret;
}
J
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2782

J
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2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801
/**
 * i40e_set_rxnfc - command to set RX flow classification rules
 * @netdev: network interface device structure
 * @cmd: ethtool rxnfc command
 *
 * Returns Success if the command is supported.
 **/
static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	int ret = -EOPNOTSUPP;

	switch (cmd->cmd) {
	case ETHTOOL_SRXFH:
		ret = i40e_set_rss_hash_opt(pf, cmd);
		break;
	case ETHTOOL_SRXCLSRLINS:
2802
		ret = i40e_add_fdir_ethtool(vsi, cmd);
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Jesse Brandeburg 已提交
2803 2804
		break;
	case ETHTOOL_SRXCLSRLDEL:
2805
		ret = i40e_del_fdir_entry(vsi, cmd);
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2806 2807 2808 2809 2810 2811 2812 2813
		break;
	default:
		break;
	}

	return ret;
}

2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844
/**
 * i40e_max_channels - get Max number of combined channels supported
 * @vsi: vsi pointer
 **/
static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
{
	/* TODO: This code assumes DCB and FD is disabled for now. */
	return vsi->alloc_queue_pairs;
}

/**
 * i40e_get_channels - Get the current channels enabled and max supported etc.
 * @netdev: network interface device structure
 * @ch: ethtool channels structure
 *
 * We don't support separate tx and rx queues as channels. The other count
 * represents how many queues are being used for control. max_combined counts
 * how many queue pairs we can support. They may not be mapped 1 to 1 with
 * q_vectors since we support a lot more queue pairs than q_vectors.
 **/
static void i40e_get_channels(struct net_device *dev,
			       struct ethtool_channels *ch)
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;

	/* report maximum channels */
	ch->max_combined = i40e_max_channels(vsi);

	/* report info for other vector */
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2845
	ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862
	ch->max_other = ch->other_count;

	/* Note: This code assumes DCB is disabled for now. */
	ch->combined_count = vsi->num_queue_pairs;
}

/**
 * i40e_set_channels - Set the new channels count.
 * @netdev: network interface device structure
 * @ch: ethtool channels structure
 *
 * The new channels count may not be the same as requested by the user
 * since it gets rounded down to a power of 2 value.
 **/
static int i40e_set_channels(struct net_device *dev,
			      struct ethtool_channels *ch)
{
2863
	const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2864 2865 2866 2867
	struct i40e_netdev_priv *np = netdev_priv(dev);
	unsigned int count = ch->combined_count;
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
2868 2869
	struct i40e_fdir_filter *rule;
	struct hlist_node *node2;
2870
	int new_count;
2871
	int err = 0;
2872 2873 2874 2875 2876 2877 2878 2879 2880 2881

	/* We do not support setting channels for any other VSI at present */
	if (vsi->type != I40E_VSI_MAIN)
		return -EINVAL;

	/* verify they are not requesting separate vectors */
	if (!count || ch->rx_count || ch->tx_count)
		return -EINVAL;

	/* verify other_count has not changed */
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Jesse Brandeburg 已提交
2882
	if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2883 2884 2885 2886 2887 2888
		return -EINVAL;

	/* verify the number of channels does not exceed hardware limits */
	if (count > i40e_max_channels(vsi))
		return -EINVAL;

2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908
	/* verify that the number of channels does not invalidate any current
	 * flow director rules
	 */
	hlist_for_each_entry_safe(rule, node2,
				  &pf->fdir_filter_list, fdir_node) {
		if (rule->dest_ctl != drop && count <= rule->q_index) {
			dev_warn(&pf->pdev->dev,
				 "Existing user defined filter %d assigns flow to queue %d\n",
				 rule->fd_id, rule->q_index);
			err = -EINVAL;
		}
	}

	if (err) {
		dev_err(&pf->pdev->dev,
			"Existing filter rules must be deleted to reduce combined channel count to %d\n",
			count);
		return err;
	}

2909 2910 2911 2912 2913 2914 2915
	/* update feature limits from largest to smallest supported values */
	/* TODO: Flow director limit, DCB etc */

	/* use rss_reconfig to rebuild with new queue count and update traffic
	 * class queue mapping
	 */
	new_count = i40e_reconfig_rss_queues(pf, count);
2916
	if (new_count > 0)
2917 2918 2919 2920 2921
		return 0;
	else
		return -EINVAL;
}

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2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948
/**
 * i40e_get_rxfh_key_size - get the RSS hash key size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 **/
static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
{
	return I40E_HKEY_ARRAY_SIZE;
}

/**
 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
 * @netdev: network interface device structure
 *
 * Returns the table size.
 **/
static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
{
	return I40E_HLUT_ARRAY_SIZE;
}

static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
			 u8 *hfunc)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
2949 2950 2951
	u8 *lut, *seed = NULL;
	int ret;
	u16 i;
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2952 2953 2954 2955 2956 2957 2958

	if (hfunc)
		*hfunc = ETH_RSS_HASH_TOP;

	if (!indir)
		return 0;

2959 2960 2961 2962 2963 2964 2965 2966 2967
	seed = key;
	lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
	if (!lut)
		return -ENOMEM;
	ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
	if (ret)
		goto out;
	for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
		indir[i] = (u32)(lut[i]);
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2968

2969 2970 2971 2972
out:
	kfree(lut);

	return ret;
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2973 2974 2975 2976 2977 2978 2979 2980
}

/**
 * i40e_set_rxfh - set the rx flow hash indirection table
 * @netdev: network interface device structure
 * @indir: indirection table
 * @key: hash key
 *
M
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2981
 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
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2982 2983 2984 2985 2986 2987 2988
 * returns 0 after programming the table.
 **/
static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
			 const u8 *key, const u8 hfunc)
{
	struct i40e_netdev_priv *np = netdev_priv(netdev);
	struct i40e_vsi *vsi = np->vsi;
2989
	struct i40e_pf *pf = vsi->back;
2990
	u8 *seed = NULL;
2991
	u16 i;
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2992 2993 2994 2995 2996

	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
		return -EOPNOTSUPP;

	if (key) {
2997 2998 2999 3000 3001 3002 3003 3004
		if (!vsi->rss_hkey_user) {
			vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
						     GFP_KERNEL);
			if (!vsi->rss_hkey_user)
				return -ENOMEM;
		}
		memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
		seed = vsi->rss_hkey_user;
M
Mitch A Williams 已提交
3005
	}
3006 3007 3008 3009 3010 3011 3012
	if (!vsi->rss_lut_user) {
		vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
		if (!vsi->rss_lut_user)
			return -ENOMEM;
	}

	/* Each 32 bits pointed by 'indir' is stored with a lut entry */
3013 3014 3015 3016 3017 3018
	if (indir)
		for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
			vsi->rss_lut_user[i] = (u8)(indir[i]);
	else
		i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
				  vsi->rss_size);
3019

3020 3021
	return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
			       I40E_HLUT_ARRAY_SIZE);
M
Mitch A Williams 已提交
3022 3023
}

3024 3025 3026 3027 3028 3029 3030 3031 3032 3033
/**
 * i40e_get_priv_flags - report device private flags
 * @dev: network interface device structure
 *
 * The get string set count and the string set should be matched for each
 * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
 * array.
 *
 * Returns a u32 bitmap of flags.
 **/
3034
static u32 i40e_get_priv_flags(struct net_device *dev)
3035 3036 3037 3038 3039 3040
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
	u32 ret_flags = 0;

S
Shannon Nelson 已提交
3041 3042
	ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
		I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3043 3044
	ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
		I40E_PRIV_FLAGS_FD_ATR : 0;
3045 3046
	ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
		I40E_PRIV_FLAGS_VEB_STATS : 0;
3047 3048
	ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
		0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3049 3050 3051 3052
	if (pf->hw.pf_id == 0) {
		ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
			I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
	}
3053 3054 3055 3056

	return ret_flags;
}

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3057 3058 3059 3060 3061 3062 3063 3064 3065 3066
/**
 * i40e_set_priv_flags - set private flags
 * @dev: network interface device structure
 * @flags: bit flags to be set
 **/
static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
{
	struct i40e_netdev_priv *np = netdev_priv(dev);
	struct i40e_vsi *vsi = np->vsi;
	struct i40e_pf *pf = vsi->back;
3067
	u16 sw_flags = 0, valid_flags = 0;
3068
	bool reset_required = false;
3069 3070
	bool promisc_change = false;
	int ret;
3071 3072 3073

	/* NOTE: MFP is not settable */

S
Shannon Nelson 已提交
3074 3075 3076 3077 3078
	if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
		pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
	else
		pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;

3079 3080 3081 3082 3083 3084 3085 3086 3087
	/* allow the user to control the state of the Flow
	 * Director ATR (Application Targeted Routing) feature
	 * of the driver
	 */
	if (flags & I40E_PRIV_FLAGS_FD_ATR) {
		pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
	} else {
		pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
		pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
3088 3089 3090

		/* flush current ATR settings */
		set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3091 3092
	}

3093 3094
	if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
	    !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3095
		pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3096 3097 3098
		reset_required = true;
	} else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
		   (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3099
		pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3100 3101
		reset_required = true;
	}
3102

3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129
	if (pf->hw.pf_id == 0) {
		if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
		    !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
			pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
			promisc_change = true;
		} else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
			   (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
			pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
			promisc_change = true;
		}
	}
	if (promisc_change) {
		if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
			sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
		valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
		ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
						NULL);
		if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
			dev_info(&pf->pdev->dev,
				 "couldn't set switch config bits, err %s aq_err %s\n",
				 i40e_stat_str(&pf->hw, ret),
				 i40e_aq_str(&pf->hw,
					     pf->hw.aq.asq_last_status));
			/* not a fatal problem, just keep going */
		}
	}

3130 3131 3132 3133 3134 3135
	if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
	    (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
		pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
	else
		pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;

3136 3137 3138 3139
	/* if needed, issue reset to cause things to take effect */
	if (reset_required)
		i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));

S
Shannon Nelson 已提交
3140 3141 3142
	return 0;
}

J
Jesse Brandeburg 已提交
3143 3144
static const struct ethtool_ops i40e_ethtool_ops = {
	.get_settings		= i40e_get_settings,
3145
	.set_settings		= i40e_set_settings,
J
Jesse Brandeburg 已提交
3146 3147 3148 3149 3150 3151
	.get_drvinfo		= i40e_get_drvinfo,
	.get_regs_len		= i40e_get_regs_len,
	.get_regs		= i40e_get_regs,
	.nway_reset		= i40e_nway_reset,
	.get_link		= ethtool_op_get_link,
	.get_wol		= i40e_get_wol,
S
Shannon Nelson 已提交
3152
	.set_wol		= i40e_set_wol,
3153
	.set_eeprom		= i40e_set_eeprom,
J
Jesse Brandeburg 已提交
3154 3155 3156 3157 3158
	.get_eeprom_len		= i40e_get_eeprom_len,
	.get_eeprom		= i40e_get_eeprom,
	.get_ringparam		= i40e_get_ringparam,
	.set_ringparam		= i40e_set_ringparam,
	.get_pauseparam		= i40e_get_pauseparam,
3159
	.set_pauseparam		= i40e_set_pauseparam,
J
Jesse Brandeburg 已提交
3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170
	.get_msglevel		= i40e_get_msglevel,
	.set_msglevel		= i40e_set_msglevel,
	.get_rxnfc		= i40e_get_rxnfc,
	.set_rxnfc		= i40e_set_rxnfc,
	.self_test		= i40e_diag_test,
	.get_strings		= i40e_get_strings,
	.set_phys_id		= i40e_set_phys_id,
	.get_sset_count		= i40e_get_sset_count,
	.get_ethtool_stats	= i40e_get_ethtool_stats,
	.get_coalesce		= i40e_get_coalesce,
	.set_coalesce		= i40e_set_coalesce,
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3171 3172 3173 3174
	.get_rxfh_key_size	= i40e_get_rxfh_key_size,
	.get_rxfh_indir_size	= i40e_get_rxfh_indir_size,
	.get_rxfh		= i40e_get_rxfh,
	.set_rxfh		= i40e_set_rxfh,
3175 3176
	.get_channels		= i40e_get_channels,
	.set_channels		= i40e_set_channels,
J
Jesse Brandeburg 已提交
3177
	.get_ts_info		= i40e_get_ts_info,
3178
	.get_priv_flags		= i40e_get_priv_flags,
S
Shannon Nelson 已提交
3179
	.set_priv_flags		= i40e_set_priv_flags,
3180
	.get_per_queue_coalesce	= i40e_get_per_queue_coalesce,
3181
	.set_per_queue_coalesce	= i40e_set_per_queue_coalesce,
J
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3182 3183 3184 3185
};

void i40e_set_ethtool_ops(struct net_device *netdev)
{
3186
	netdev->ethtool_ops = &i40e_ethtool_ops;
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Jesse Brandeburg 已提交
3187
}